Digital integrator control; no crystal adjustments; 12-bit digital-to-analog converter used to set and maintain c-field current; portable; 58.000 lbs including self-contained power source; operating temp 0 to 50 degrees c; operating humidi type 95 pct up to 50 degrees c; 115/230 vac; 47 to 400 hz; 24 to 30 vdc; sealed lead acid battery; o/a dim. 18.750 in. L, 14.750 in. W, 7.000 in. H; hours/minutes/seconds display
